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Ivanshal [37]
3 years ago
7

1/3 of 3 please help I'll give 20 points​

Mathematics
2 answers:
sp2606 [1]3 years ago
8 0

Answer:

1

Step-by-step explanation:

Ray Of Light [21]3 years ago
3 0

Answer:

1

Step-by-step explanation:

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What is the probability that a random sample of 1414 second grade students from the city results in a mean reading rate of more
Sonbull [250]

Answer with explanation:

Number of second grade students who are considered for sample =1414

Number of words that is being read in a Minute = 9292 words per minute

If number of students will be more than half of 1414, that is if, they can read or their reading rate is more than 9292 words per​ minute, then we can say that the sample chosen is Appropriate.

⇒Required Probability,that sample of 1414 students can read  9292 words per​ minute

                   =\frac{707+x}{1414} \text{Where }, [1 \leq x\leq 707]      

5 0
3 years ago
Each week, Tasha saves 65% of the money she earns babysitting and spends the rest. This week she earned $40. How much money did
Norma-Jean [14]
65% of 40 = 26(saved)
40-26=14(spent)
26-14=12
=$12
8 0
4 years ago
Find the perimeter of a rectangle whose sides are 8 1/2cm by 4 1/2cm.​
Lana71 [14]

Answer:

26 cm

Step-by-step explanation:

To find the perimeter with the side lengths, you can use this formula: 2(L+W) because it's the measure of the distance around the rectangle. So,

2(8.5+4.5)

2(13)=26

5 0
3 years ago
Read 2 more answers
A farmer has 1,800 feet of fencing and wants to fence off a rectangular field that borders a straight river. he needs no fence a
astra-53 [7]
There are 2 short sides x and 1 long side y.

x+x+y=1,800
2x+y=1,800
y=1,800-2x

The area of the rectangle is A=x(1,800-x).


A is a function with variable x. Moreover it is a quadratic (second degree) function.

The graph of the function is a parabola which opens downwards, because the signs of the leading coefficients of the factors, multiply to minus:

(x)(-x)=-x^2.


This means that the highest point of the parabola, is its vertex V(h,k), so the function takes its largest value for x=h.


The roots of A=x(1,800-x) are x=0 and x=1,800, thus the x coordinate of the vertex, must be the midpoint of 0 and 1,800, that is 900.


Answer:

A=x(1,800-x)

largest area is when x=900

4 0
4 years ago
Read 2 more answers
Which is the graph of y= 3/4 x - 3?
mixas84 [53]

Answer:

Graph A.

Step-by-step explanation:

I graphed it out and my graph is below this text.

Have a great day! :D

8 0
3 years ago
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